<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
<meta name="generator" content="Doxygen 1.9.1"/>
<meta name="viewport" content="width=device-width, initial-scale=1"/>
<title>Eigen-unsupported: TensorSyclRun.h Source File</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript" src="dynsections.js"></script>
<link href="navtree.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="resize.js"></script>
<script type="text/javascript" src="navtreedata.js"></script>
<script type="text/javascript" src="navtree.js"></script>
<link href="search/search.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="search/searchdata.js"></script>
<script type="text/javascript" src="search/search.js"></script>
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&amp;dn=gpl-2.0.txt GPL-v2 */
  $(document).ready(function() { init_search(); });
/* @license-end */
</script>
<script type="text/x-mathjax-config">
  MathJax.Hub.Config({
    extensions: ["tex2jax.js", "TeX/AMSmath.js", "TeX/AMSsymbols.js"],
    jax: ["input/TeX","output/HTML-CSS"],
});
</script>
<script type="text/javascript" async="async" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js"></script>
<link href="doxygen.css" rel="stylesheet" type="text/css" />
<link href="eigendoxy.css" rel="stylesheet" type="text/css">
<!--  -->
<script type="text/javascript" src="eigen_navtree_hacks.js"></script>
</head>
<body>
<div style="background:#FFDDDD;font-size:120%;text-align:center;margin:0;padding:5px">Please, help us to better know about our user community by answering the following short survey:  <a href="https://forms.gle/wpyrxWi18ox9Z5ae9">https://forms.gle/wpyrxWi18ox9Z5ae9</a></div>
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
<div id="titlearea">
<table cellspacing="0" cellpadding="0">
 <tbody>
 <tr style="height: 56px;">
  <td id="projectlogo"><img alt="Logo" src="Eigen_Silly_Professor_64x64.png"/></td>
  <td id="projectalign" style="padding-left: 0.5em;">
   <div id="projectname"><a href="http://eigen.tuxfamily.org">Eigen-unsupported</a>
   &#160;<span id="projectnumber">3.3.9</span>
   </div>
  </td>
   <td>        <div id="MSearchBox" class="MSearchBoxInactive">
        <span class="left">
          <img id="MSearchSelect" src="search/mag_sel.svg"
               onmouseover="return searchBox.OnSearchSelectShow()"
               onmouseout="return searchBox.OnSearchSelectHide()"
               alt=""/>
          <input type="text" id="MSearchField" value="Search" accesskey="S"
               onfocus="searchBox.OnSearchFieldFocus(true)" 
               onblur="searchBox.OnSearchFieldFocus(false)" 
               onkeyup="searchBox.OnSearchFieldChange(event)"/>
          </span><span class="right">
            <a id="MSearchClose" href="javascript:searchBox.CloseResultsWindow()"><img id="MSearchCloseImg" border="0" src="search/close.svg" alt=""/></a>
          </span>
        </div>
</td>
 </tr>
 </tbody>
</table>
</div>
<!-- end header part -->
<!-- Generated by Doxygen 1.9.1 -->
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&amp;dn=gpl-2.0.txt GPL-v2 */
var searchBox = new SearchBox("searchBox", "search",false,'Search','.html');
/* @license-end */
</script>
</div><!-- top -->
<div id="side-nav" class="ui-resizable side-nav-resizable">
  <div id="nav-tree">
    <div id="nav-tree-contents">
      <div id="nav-sync" class="sync"></div>
    </div>
  </div>
  <div id="splitbar" style="-moz-user-select:none;" 
       class="ui-resizable-handle">
  </div>
</div>
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&amp;dn=gpl-2.0.txt GPL-v2 */
$(document).ready(function(){initNavTree('TensorSyclRun_8h_source.html',''); initResizable(); });
/* @license-end */
</script>
<div id="doc-content">
<!-- window showing the filter options -->
<div id="MSearchSelectWindow"
     onmouseover="return searchBox.OnSearchSelectShow()"
     onmouseout="return searchBox.OnSearchSelectHide()"
     onkeydown="return searchBox.OnSearchSelectKey(event)">
</div>

<!-- iframe showing the search results (closed by default) -->
<div id="MSearchResultsWindow">
<iframe src="javascript:void(0)" frameborder="0" 
        name="MSearchResults" id="MSearchResults">
</iframe>
</div>

<div class="header">
  <div class="headertitle">
<div class="title">TensorSyclRun.h</div>  </div>
</div><!--header-->
<div class="contents">
<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">// This file is part of Eigen, a lightweight C++ template library</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment">// for linear algebra.</span></div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment">// Mehdi Goli    Codeplay Software Ltd.</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment">// Ralph Potter  Codeplay Software Ltd.</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment">// Luke Iwanski  Codeplay Software Ltd.</span></div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment">// Cummins Chris PhD student at The University of Edinburgh.</span></div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment">// Contact: &lt;eigen@codeplay.com&gt;</span></div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="comment">// This Source Code Form is subject to the terms of the Mozilla</span></div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="comment">// Public License v. 2.0. If a copy of the MPL was not distributed</span></div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="comment">// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.</span></div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160; </div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="comment">/*****************************************************************</span></div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="comment"> * TensorSyclRun.h</span></div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="comment"> * \brief:</span></div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="comment"> * Schedule_kernel invoke an specialised version of kernel struct. The</span></div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="comment"> * specialisation is based on the data dimension in sycl buffer</span></div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="comment">*****************************************************************/</span></div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160; </div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;<span class="preprocessor">#ifndef UNSUPPORTED_EIGEN_CXX11_SRC_TENSOR_TENSORSYCL_SYCLRUN_HPP</span></div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="preprocessor">#define UNSUPPORTED_EIGEN_CXX11_SRC_TENSOR_TENSORSYCL_SYCLRUN_HPP</span></div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160; </div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespaceEigen.html">Eigen</a> {</div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;<span class="keyword">namespace </span>TensorSycl {</div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> Expr, <span class="keyword">typename</span> Dev&gt;</div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;<span class="keywordtype">void</span> run(Expr &amp;expr, Dev &amp;dev) {</div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;  <a class="code" href="structEigen_1_1TensorEvaluator.html">Eigen::TensorEvaluator&lt;Expr, Dev&gt;</a> evaluator(expr, dev);</div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;  <span class="keyword">const</span> <span class="keywordtype">bool</span> needs_assign = evaluator.evalSubExprsIfNeeded(NULL);</div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;  <span class="keywordflow">if</span> (needs_assign) {</div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;    <span class="keyword">typedef</span>  <span class="keyword">typename</span> internal::createPlaceHolderExpression&lt;Expr&gt;::Type PlaceHolderExpr;</div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;    <span class="keyword">auto</span> functors = internal::extractFunctors(evaluator);</div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160; </div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;    <span class="keywordtype">size_t</span> tileSize =dev.m_queue.get_device(). <span class="keyword">template</span> get_info&lt;cl::sycl::info::device::max_work_group_size&gt;()/2;</div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;    dev.m_queue.submit([&amp;](cl::sycl::handler &amp;cgh) {</div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160; </div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;      <span class="comment">// create a tuple of accessors from Evaluator</span></div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;      <span class="keyword">auto</span> tuple_of_accessors = internal::createTupleOfAccessors&lt;decltype(evaluator)&gt;(cgh, evaluator);</div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;      <span class="keyword">const</span> <span class="keyword">auto</span> range = utility::tuple::get&lt;0&gt;(tuple_of_accessors).get_range()[0];</div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;      <span class="keywordtype">size_t</span> GRange=range;</div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;      <span class="keywordflow">if</span> (tileSize&gt;GRange) tileSize=GRange;</div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;      <span class="keywordflow">else</span> <span class="keywordflow">if</span>(GRange&gt;tileSize){</div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;        <span class="keywordtype">size_t</span> xMode = GRange % tileSize;</div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;        <span class="keywordflow">if</span> (xMode != 0) GRange += (tileSize - xMode);</div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;      }</div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;      <span class="comment">// run the kernel</span></div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;      cgh.parallel_for&lt;PlaceHolderExpr&gt;( cl::sycl::nd_range&lt;1&gt;(cl::sycl::range&lt;1&gt;(GRange), cl::sycl::range&lt;1&gt;(tileSize)), [=](cl::sycl::nd_item&lt;1&gt; itemID) {</div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;        <span class="keyword">typedef</span>  <span class="keyword">typename</span> internal::ConvertToDeviceExpression&lt;Expr&gt;::Type DevExpr;</div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;        <span class="keyword">auto</span> device_expr =internal::createDeviceExpression&lt;DevExpr, PlaceHolderExpr&gt;(functors, tuple_of_accessors);</div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;        <span class="keyword">auto</span> device_evaluator = <a class="code" href="structEigen_1_1TensorEvaluator.html">Eigen::TensorEvaluator</a>&lt;decltype(device_expr.expr), Eigen::DefaultDevice&gt;(device_expr.expr, Eigen::DefaultDevice());</div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;        <span class="keywordflow">if</span> (itemID.get_global_linear_id() &lt; range) {</div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;          device_evaluator.evalScalar(<span class="keyword">static_cast&lt;</span><span class="keywordtype">int</span><span class="keyword">&gt;</span>(itemID.get_global_linear_id()));</div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;        }</div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;      });</div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;    });</div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;    dev.m_queue.throw_asynchronous();</div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;  }</div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160; </div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;  evaluator.cleanup();</div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;}</div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;}  <span class="comment">// namespace TensorSycl</span></div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;}  <span class="comment">// namespace Eigen</span></div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160; </div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;<span class="preprocessor">#endif  </span><span class="comment">// UNSUPPORTED_EIGEN_CXX11_SRC_TENSOR_TENSORSYCL_SYCLRUN_HPP</span></div>
<div class="ttc" id="anamespaceEigen_html"><div class="ttname"><a href="namespaceEigen.html">Eigen</a></div><div class="ttdoc">Namespace containing all symbols from the Eigen library.</div></div>
<div class="ttc" id="astructEigen_1_1TensorEvaluator_html"><div class="ttname"><a href="structEigen_1_1TensorEvaluator.html">Eigen::TensorEvaluator</a></div><div class="ttdoc">A cost model used to limit the number of threads used for evaluating tensor expression.</div><div class="ttdef"><b>Definition:</b> TensorEvaluator.h:29</div></div>
</div><!-- fragment --></div><!-- contents -->
</div><!-- doc-content -->
<!-- start footer part -->
<div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
  <ul>
    <li class="navelem"><a class="el" href="dir_8d80078a9d0677ffcc4e95dc0faac368.html">unsupported</a></li><li class="navelem"><a class="el" href="dir_146d0efcf5acec477a223a5f4dae5578.html">Eigen</a></li><li class="navelem"><a class="el" href="dir_9f5a313d484c38c262f934ac7ef839a3.html">CXX11</a></li><li class="navelem"><a class="el" href="dir_26c37786afc5fa3d76cd91f33a83507e.html">src</a></li><li class="navelem"><a class="el" href="dir_a133238b105ca1b44753abc50c661b5b.html">Tensor</a></li><li class="navelem"><b>TensorSyclRun.h</b></li>
    <li class="footer">Generated on Wed Aug 18 2021 14:16:30 for Eigen-unsupported by
    <a href="http://www.doxygen.org/index.html">
    <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.9.1 </li>
  </ul>
</div>
</body>
</html>
